<?php 
class SofeeXmlParser {
    var $parser; 
    var $srcenc; 
    var $dstenc; 
    var $_struct = array(); 
    function SofeeXmlParser($srcenc = null, $dstenc = null) { 
        $this->srcenc = $srcenc; 
        $this->dstenc = $dstenc; 
        $this->parser = null; 
        $this->_struct = array(); 
    } 
    function free() {
        if (isset($this->parser) && is_resource($this->parser)) {
            xml_parser_free($this->parser); 
            unset($this->parser); 
        }
    }
    function parseFile($file) { 
        $data = readfromfile($file);
        $this->parseString($data); 
    } 
    function parseString($data) {
        if ($this->srcenc === null) { 
            $this->parser = @xml_parser_create() or die('Unable to create XML parser resource.'); 
        } else { 
            $this->parser = @xml_parser_create($this->srcenc) or die('Unable to create XML parser resource with '. $this->srcenc .' encoding.'); 
        }
        if ($this->dstenc !== null) { 
            @xml_parser_set_option($this->parser, XML_OPTION_TARGET_ENCODING, $this->dstenc) or die('Invalid target encoding'); 
        } 
        xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0);    // lowercase tags 
        xml_parser_set_option($this->parser, XML_OPTION_SKIP_WHITE, 1);        // skip empty tags 
        if (!xml_parse_into_struct($this->parser, $data, &$this->_struct)) { 
            printf("XML error: %s at line %d", 
                    xml_error_string(xml_get_error_code($this->parser)), 
                    xml_get_current_line_number($this->parser) 
            ); 
            $this->free(); 
            aexit(); 
        } 
         
        $this->_count = count($this->_struct); 
        $this->free(); 
    } 
    function getTree() { 
        $i = 0; 
        $tree = array(); 

        $tree = $this->addNode( 
            $tree, 
            $this->_struct[$i]['tag'], 
            (isset($this->_struct[$i]['value'])) ? $this->_struct[$i]['value'] : '', 
            (isset($this->_struct[$i]['attributes'])) ? $this->_struct[$i]['attributes'] : '', 
            $this->getChild($i) 
        ); 

        unset($this->_struct); 
        return ($tree); 
    } 
    function getChild(&$i) { 
        // contain node data 
        $children = array(); 

        // loop 
        while (++$i < $this->_count) { 
            // node tag name 
            $tagname = $this->_struct[$i]['tag']; 
            $value = isset($this->_struct[$i]['value']) ? $this->_struct[$i]['value'] : ''; 
            $attributes = isset($this->_struct[$i]['attributes']) ? $this->_struct[$i]['attributes'] : ''; 

            switch ($this->_struct[$i]['type']) { 
                case 'open': 
                    // node has more children 
                    $child = $this->getChild($i); 
                    // append the children data to the current node 
                    $children = $this->addNode($children, $tagname, $value, $attributes, $child); 
                    break; 
                case 'complete': 
                    // at end of current branch 
                    $children = $this->addNode($children, $tagname, $value, $attributes); 
                    break; 
                case 'cdata': 
                    // node has CDATA after one of it's children 
                    $children['value'] .= $value; 
                    break; 
                case 'close': 
                    // end of node, return collected data 
                    return $children; 
                    break; 
            } 
         
        } 
        //return $children; 
    } 
    function addNode($target, $key, $value = '', $attributes = '', $child = '') { 
        if (!isset($target[$key]['value']) && !isset($target[$key][0])) { 
            if ($child != '') { 
                $target[$key] = $child; 
            } 
            if ($attributes != '') { 
                foreach ($attributes as $k => $v) { 
                    $target[$key][$k] = $v; 
                } 
            } 
             
            $target[$key]['value'] = $value; 
        } else { 
            if (!isset($target[$key][0])) { 
                // is string or other 
                $oldvalue = $target[$key]; 
                $target[$key] = array(); 
                $target[$key][0] = $oldvalue; 
                $index = 1; 
            } else { 
                // is array 
                $index = count($target[$key]); 
            } 

            if ($child != '') { 
                $target[$key][$index] = $child; 
            } 

            if ($attributes != '') { 
                foreach ($attributes as $k => $v) { 
                    $target[$key][$index][$k] = $v; 
                } 
            } 
            $target[$key][$index]['value'] = $value; 
        } 
        return $target; 
    } 

} 
?>